Volume 19 (2022)
Volume 18 (2021)
Volume 17 (2020)
Volume 16 (2019)
Volume 15 (2018)
Volume 14 (2017)
Volume 13 (2016)
Volume 12 (2015)
Volume 11 (2014)
Volume 10 (2013)
Volume 9 (2012)
Volume 8 (2011)
Volume 7 (2010)
Volume 6 (2009)
Volume 5 (2008)
Volume 4 (2007)
Volume 3 (2006)
Volume 2 (2005)
Volume 1 (2004)
Investigation. effect. of mixed. matrix. membranes’. structural. parameters. on their. effective. gaseous. penetrant. diffusion. ratio using. CFD tools

Mona Morovat; Omid Bakhtiari

Volume 19, Issue 4 , December 2022


  Ability and compatibility of the membrane processes for gas separation are evaluated by their membranes’ permeability and selectivity where both have been tried to enhance in promising membrane generation of mixed matrix membranes (MMMs). In the current study, two- and three-dimensional models ...  Read More

Simulation and investigation of thermodynamics and energy of methanol purification unit

Samaneh Faramarzi; Amirhossein Oudi; Sara Azimi; Yegane Davoodbeygi

Volume 19, Issue 3 , September 2022


  Methanol is an important industrial chemical, and its synthesis and purification units are among the most widely used processes in the field of energy. The two-column separation unit of methanol has been analyzed from the thermodynamic and energy points of view in the present study. The simulation has ...  Read More

Modeling and Simulation
Screening of important factors affecting the process of ammonia synthesis by Plackett-Burman method and process optimization with RSM

Amirhossein Oudi; Abdullah Irankhah

Volume 19, Issue 2 , June 2022


  Optimization of the ammonia synthesis unit to increase ammonia production is studied in this line of research. In this paper, the steady-state ammonia synthesis is simulated using Aspen HysysV.11 software, by comparing the simulation results with industrial information, a mean relative error of 7.71% ...  Read More

Polymer Engineering and Technology,
Investigating the Effects of Hollow Graphene Oxide Nanoparticles on the Thermal/Mechanical Properties of Polymer Nanocomposites: Experimental, Analytical and Simulation Approaches

F. Ader; E. Sharifzadeh

Volume 18, Issue 2 , May 2021, , Pages 71-83


  In this study, the main purpose has been to investigate the behavior of the nanoparticles with different structures and similar based materials in polymer nanocomposites. To this end, different samples, containing PS as the matrix, and layered graphene oxide (GO) and/or hollow graphene oxide nanoparticles ...  Read More

CFD Simulation of Methane Steam Micro-Reformer: Channel Design and Inlet/Outlet Configuration

H. Mohammadnezami; A. Irankhah

Volume 16, Issue 4 , October 2019, , Pages 23-35


  Micro-reformers used for producing hydrogen with a high surface-to-volume ratio in small-scale fuel cells were investigated. To this end, scrutinizing and exploiting all areas of micro reformers is very important. Parallel micro-channels have shown good performance in eliminating dead volumes. Inlet/outlet ...  Read More

Process Control and Engineering, Process Safety, HSE
Simulation, Control and Experimental Analysis of 1,3Butadiene Purification Unit

Rahbar Rahimi; Shirin Boulaqhi; Amir Ziarifar

Volume 13, Issue 4 , November 2016, , Pages 33-45

  Simulation of a process and analysis of its resulting data in both dynamic and steady-state conditions are fundamental steps in understanding the process in order to design and efficient control of system as well as implementing operational cost reduction scheme. In the present paper, steady and unsteady ...  Read More

Modeling and Simulation
Modeling and Simulation of a Divided Wall Column for 1,3 Butadiene Purification

R. Rahimi; M. H. Soodmand; M. Zivdar; A. Alborzi; M. Rahmanian

Volume 12, Issue 1 , January 2015, , Pages 60-67

  The distillation process remains as the most common method ofseparation in chemical process industries. The energy used from this process accounts for an estimated 3% of the world energy consumption. The Dividing-Wall Column (DWC) for separation of multi-component mixtures has recently become a major ...  Read More

Modeling and Simulation
CFD Simulation of Catalytic Combustion of Benzene
Volume 6, Issue 4 , October 2009, , Pages 34-44

  This paper reports the result of CFD simulation of catalytic oxidation of benzene on monolithic catalyst. The geometries ofthe catalyst and reactor were designed in Gambit software and simulation of catalytic oxidation was carried out in fluent 6.2. Results of simulation showed excellent agreement with ...  Read More

Petroleum and Reservoir Engineering
Simulation of Water Coning in Oil Reservoirs Using a Corrected IMPES Method
Volume 5, Issue 4 , October 2008, , Pages 3-11

  Implicit pressure-explicit saturation method (IMPES) is widely used in oil reservoir simulation to study the multiphase flow in porous media. This method has no complexity compared to the fully implicit method, although both of them are based on the finite difference technique. Water coning is one the ...  Read More

Modeling and Simulation
Investigation of CO2 and H2O Addition to Natural Gas for Production of Synthesis Gas
Volume 2, Issue 1 , January 2005, , Pages 31-54

  General modeling and optimization of syngas production via noncatalytic autothermal partial oxidation of methane are carried out using our developed scientific software which was based on the minimization of total Gibbs energy. In this work, a novel application of the direct search and Newton-Raphson ...  Read More